This is part of the Public Health (Control of Disease) Act 1984, sections 33 and 34: Public Conveyances.
An interesting discussion regarding this law (and a few others) can be found here.
Sec. 4-8. Bad dog; bad cat. (a) It shall be unlawful and a civil infraction for the owner or custodian of any dog or cat to permit it to bite, inflict injury upon, or otherwise attack a person or another animal without provocation. Any dog or cat which attacks and bites a person or another…
Section 92.06 COLORING RABBITS AND BABY POULTRY; SALE OR DISPLAY. No person shall dye or otherwise color any rabbit or baby poultry, including, but not limited to, chicks and ducklings. No person shall sell, offer for sale, expose for sale, raffle, or give away any rabbit or baby poultry which has been dyed or otherwise…